Definitions for "T-Cell Receptor"
A structure on the surface of every T-cell that acts as a docking bay for antigens. A T-cell has around 20,000 copies of the same receptor dotted all over its surface.
Protein complex on surface of T cells; recognizes a specific epitope presented on MHC by an antigen-presenting cell (Lecture: Acquired Immunity, 2/14/02)
the receptor on the surface of T-cells that recognises the antigen. The receptor binds to antigen that is association with the MHC, leading to cell activation.